Grilled Sausage & Peppers Pasta Salad Gelson's

Ingredients

• 1 pound rotini pasta
• 6 Tbsp extra-virgin olive oil, plus more for drizzling
• ¼ cup lemon juice
• 2 tsp lemon zest, finely grated
• 2 Tbsp tomato paste
• 3 large cloves garlic, minced
• 1 large shallot, thinly sliced and separated into rings
• 2 tsp thyme, chopped
• Salt, to taste
• Freshly ground black pepper, to taste
• 1 lb Italian sausage
• 3 bell peppers (mix red, yellow, and green)
• 1 small radicchio, halved
• 2 large celery ribs, thinly sliced diagonally
• ¼ pound fresh mozzarella, cut into thin strips
• 1 cup basil, torn